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Doepfer

Index last updated: 2026-04-29 00:15 UTC

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Re: Fine-tuning A-110

2011-02-26 by Fredrik

Ah, great, that's just what I was looking for, thanks a bunch Florian!

/Fredrik

--- In Doepfer_a100@yahoogroups.com, Florian Anwander <fanwander@...> wrote:
>
> Fredrik schrieb:
> 
> > Hello
> > 
> > I can play a regular scale fine, but not tune it to other synts.
> > 
> > So its the R5 change then?
> 
> There is the internale trimmer P6, which is intended to set the basic 
> center tuning.
> 
> * unscrew the A110 from the rack
> * pay carefully attention, that the PCB of the module does not touch the 
> frame (to avoid short cuts )
> * connect your MIDI CV interface to the CV In1 of the A110, and the 
> audio out of A110 to a monitoring system/mixer
> * reassure that no other CV is fed to the A110 or the internal cv-bus.
> * power up the A100
> * set the tune-potentiometer on the front panel of the A110 to center 
> position
> * feed the MIDI of an external Synthesizer with MIDI into the 
> MIDI-CV-Interface of the A100.
> * Play a C on the external Synthesizer.
> * Now listen to your external Synthesizer and the A110 and set the A110 
> with P6 to be in tune with the external synth.
> * Switch off the A100
> * remount the A100 to the rack.
> * you are done.
> 
> If you want to increase the range of the Tune potentiometer anyway, then 
>   add a 470k Resistor parallel to R5
> 
> Florian
>

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